/Engine/Plugins/Importers/USDImporter/Source/USDClasses/Public/USDAssetCache2.h
Marks the provided asset as being used at this point, optionally adding a specific referencer. This is useful because the asset cache will always prioritize retaining the most recently used assets
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Caching", Meta=(CallInEditor="true")) bool TouchAsset ( const [UObject](API\Runtime\CoreUObject\UObject\UObject) * Asset, const [UObject](API\Runtime\CoreUObject\UObject\UObject) * Referencer )